1# OH_AudioCaptureInfo 2 3 4## Overview 5 6The **OH_AudioCaptureInfo** struct defines audio capture information. 7 8**System capability**: SystemCapability.Multimedia.Media.AVScreenCapture 9 10**Since** 11 1210 13 14**Related Modules** 15 16[AVScreenCapture](_a_v_screen_capture.md) 17 18 19## Summary 20 21 22### Member Variables 23 24| Name| Description| 25| -------- | -------- | 26| [audioSampleRate](#audiosamplerate) | int32_t<br>Defines the audio sampling rate. For details about the supported rates, see **OH_AudioCapturer_GetSamplingRate**.| 27| [audioChannels](#audiochannels) | int32_t<br>Defines the number of audio channels.| 28| [audioSource](#audiosource) | [OH_AudioCaptureSourceType](_a_v_screen_capture.md#oh_audiocapturesourcetype)<br>Defines the audio source.| 29 30 31## Member Variable Description 32 33 34### audioChannels 35 36``` 37int32_t OH_AudioCaptureInfo::audioChannels 38``` 39 40**Description** 41 42Defines the number of audio channels. 43 44 45### audioSampleRate 46 47``` 48int32_t OH_AudioCaptureInfo::audioSampleRate 49``` 50 51**Description** 52 53Defines the audio sampling rate. For details about the supported rates, see **OH_AudioCapturer_GetSamplingRate**. 54 55 56### audioSource 57 58``` 59OH_AudioCaptureSourceType OH_AudioCaptureInfo::audioSource 60``` 61 62**Description** 63 64Defines the audio source. 65